I have called Eli Lilly, they said me that an opened vial stay stable up to 28 day in refrigerator, so I will make month yes/month no (they expries at the end on 2013), this is my protocol:
10 IU after 20 min GHRP-6/CJC (slin after GHRP'S)
10 IU same, lanuch
10 IU pwo, or in mid afternoon...